Home / 15,241.77-21,033.96-9,192.00

Finding the Fourth Proportional to 15,241.77, 21,033.96 and 9,192.00

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Solution

The fourth proportional to 15,241.77, 21,033.96 and 9,192.00 is: 12,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.77 : 21,033.96 = 9,192.00 : x
  2. Step 2: Convert to fraction form
    15,241.77/21,033.96 = 9,192.00/x
  3. Step 3: Cross multiply
    15,241.77x = 21,033.96 × 9,192.00
  4. Step 4: Simplify right side
    15,241.77x = 193,344,138.12
  5. Step 5: Solve for x
    x = 193,344,138.12/15,241.77
  6. Step 6: Final answer
    x = 12,685.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.